> I have a session on a development system that is waiting on 'db file> sequential read'.>> It has been waiting for ~6000 seconds (state=WAITING).>> File# (p1) is 201, yet the database only has file#'s from 1-19 (select file#> from v$datafile).>> That explains the long wait. It's trying to read from a non-existent file. I> can't connect to strace (attach: ptrace (PTRACE_ATTACH, .): Operation not> permitted).>> Has anyone seen this before? Any ideas where to look? Just reboot and try> for the best?>> Henry